AN INDOOR POSITIONING STUDY BASED ON THE WI-FI FINGERPRINTING METHOD
Özdemir B., Ceylan A.
Selcuk University, Engineering Faculty, Department of Geomatic Engineering, 42075 Konya, Turkey – (behlulozdemir, [email protected])
A b s t r a c t
Indoor Positioning is a very popular research area because of its wide range of applications, mainly providing location-based services. Many technologies and methods are suggested for estimating the location of the user in indoor environments where GNSS signals are mostly attenuated or completely lost. Some of these technologies are Bluetooth Low Energy, Wi-Fi, RFID, ZigBee and so on. The methods used for position estimation are various methods such as Angle of Arrival (AoA), Time of Arrival (ToA), Fingerprinting, Dead Reckoning and Map Matching. Among these methods, fingerprinting is promising and mostly preferred method.
In this study, fingerprinting with Wireless LAN signals was applied in Selcuk University Faculty of Engineering and obtained accuracy was examined. Several factors have been taking into account, such as the location of access points that affect location accuracy, and the number of access points on a floor.
Keywords: Indoor Positioning, WLAN, Fingerprinting, Nearest Neighbour
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